0P3N Blog

Cybrary’s Open Blog is a user contributed cybersecurity knowledge base that brings together content highlighting the latest tools, exploits, technologies and insights in the industry.

DNS Rebinding – Behind The Enemy Lines
By: Dra4hos7
January 19, 2019

Introduction DNS Rebinding is a technique or situation in which attacker relies on the gap between SOP and DNS to achieve access to otherwise restricted areas or services ( local network, another website, etc.). Here we’re going to try and explain DNS Rebinding with a short example. DNS Rebinding With DNS rebinding a remote attacker can ...

A New Age of Digital Interconnection
By: dks11
January 18, 2019

Today, everything, and everyone is digital. From the young teens all having the newest smartphone, to just about everything (including refrigerators and baby monitors…) being connected in the IOT (internet of things), technology is ruling our lives and connecting it and every little way. The IOT The IOT alone is a vast network connecting various devices to the internet ...

7 Project Management Basic Rules
By: Vikrant Saran
January 17, 2019

Project management is the process of planning, managing and executing the required work in a specified time to achieve the organizational goals. There are certain guidelines that one would need for the successful completion and execution of a project. Working as per the deadlines, managing the resources and organizing the tasks at every stage of the process are some ...

Security with Host-based Intrusion Detection System (HIDS)
By: Falko
January 16, 2019

I've been thinking for some time what topic could be interesting for you (the general Cybrary population) out there. After a few days I decided to introduce you one of my favorite tools. I'll tell you a few words about Host-based Intrusion Detection System named OSSEC. What is HIDS? Maybe you are already familiar with NIDS (Network-based intrusion detection system) ...

New to Cybrary: Katie Wandtke
By: Tatianna
January 16, 2019

New to Cybrary: Katie Wandtke One of the newest members to the Cybrary team is Katie . The Cybrary Team wants to introduce you to the newest woman on-board and why she is a vital part of Cybrary's future. "Erin, HR is a Joke" - Toby Flenderson Just kidding. We feel like more Michael Scott ...

Building Botnets with VPS and Virtualization
By: Tatianna
January 15, 2019

A botnet is a network of devices running automated tasks as “bots”. Bots can carry out any type of complex task at high speeds indefinitely. Often times a botnet is used to carry out many tasks at once ...

Growing Importance of VMware Certifications in 2019
By: Vikrant Saran
January 15, 2019

VMware is one such technology which has gained immense popularity in the current times. And the coming year is going to create more opportunities for the people who have virtualizations skills in their resume. A few years ago a business growth would directly mean more investment and more hardware units put together; however, after the onset of ...

7 Reasons to Start Playing CTFs
By: emaragkos
January 14, 2019

"Start playing CTFs now!" is what I wish someone has told me a few years ago! In this article I present you 7 reasons why you should start playing CTFs right now. If you are not familiar with CTFs the following articles will help you. What the heck is a Capture the flag (CTF)? CTF Categories ...

Best Computer Forensic Analysis Tools
By: juliasowells
January 14, 2019

Computer forensics is of much relevance in today’s world. Though forensic analysis refers to searching and analyzing information to aid the process of finding evidence for a trial, computer forensic analysis is specially focussed on detecting malware . Computer forensic analysis tools help detect unknown, malicious threats across devices and networks, thus helping secure computers, devices and networks. ...

CompTIA Security+: The Gateway to Security Certifications
By: rwoerner2
January 12, 2019

This article originally published on the Bellevue University Cybersecurity blog by the current author and instructor of Cybrary's Security+ course , Ron Woerner. One of the greatest hindrances to mitigating cybercrime is the lack of qualified and skilled professionals trained in cybersecurity. Cybersecurity is a rising career field with a need for more security professionals in ...